import _00GraphFuc as gf
#生成彼得松图

V={'a','b','c','d','e','f','g','h','i','j'}
E={('a','b'),('b','c'),('c','d'),('d','e'),('e','a'),('a','f'),('b','g'),
   ('c','h'),('d','i'),('e','j'),('f','h'),('g','i'),('h','j'),('i','f'),
   ('j','g')}
gf.drawgraph(E)
